EXTREME VALUES OF FUNCTIONALS AND BEST APPROXIMATION ON CLASSES OF PERIODIC FUNCTIONS

DOI10.1070/IM1971v005n01ABEH001015zbMath0249.42003OpenAlexW2146864049MaRDI QIDQ5662874

N. P. Kornejchuk

Publication date: 1972

Published in: Mathematics of the USSR-Izvestiya (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1070/im1971v005n01abeh001015

Mathematics Subject Classification ID

Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50)

Related Items (1)

Korneichuk-Stechkin Lemma, Ostrowski and Landau Inequalities, and Optimal Recovery Problems for L-Space Valued Functions

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